With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cpwVcPerfTotalErrorPackets
Cisco Pseudo Wire Vc Performance Total Error Packets
1.3.6.1.4.1.9.10.106.1.6
Counter for number of error at VC level processing, for example packets received with unknown VC label.
Back to CISCO-IETF-PW-MIB MIB page.
IPHost Network monitor allows you to monitor cpwVcPerfTotalErrorPackets on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.